探索了一种简单有效的分离竹浆纤维素纳米纤维(CNF)的方法.采用N,N-二甲基乙酰胺/氯化锂(DMAc/LiCl)体系溶胀纤维素纤维作为一种预处理手段,强化声空化作用分离CNF的效果.红外光谱分析表明,该预处理能破坏纤维素的部分氢键,进而显著提高后续超声剥离CNF的效率.此外,通过扫描电子显微镜、X射线衍射、热重分析等表征方法系统研究了所制备CNF的形态、结构及性能.
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